Make a list of search terms

Search on a term

Open an interesting video, watch it

Look at the recommended videos in the sidebar, choose one

Repeat

The value of Grayjay and other similar apps (Freetube, Newpipe) is based on their ability to continue to show Youtube video. If Youtube finds a way to block these apps, they will not be popular.

Thats good for about 5 minutes

What does buying a license get you?